답안 #40282 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
40282	2018-01-30T15:36:39 Z	jackyliuxx	고대 책들 (IOI17_books)	C++14	22 / 100	223 ms	17652 KB

books

#include "books.h"
#include <bits/stdc++.h>
using namespace std;

long long minimum_walk(std::vector<int> p, int s) {
    int ans = 0;
    int n = p.size();
    vector<int> group(n);
    for (int i = 0; i < n; i++) {
        group[i] = i;
    }
    for (int i = 0; i < n; i++) {
        if (group[i] == i) {
            int x = i;
            while (p[x] != i) {
                ans += abs(p[x] - x);
                x = p[x];
                group[x] = i;
            }
            ans += abs(p[x] - x);
        }
    }
    vector<int> end(n, -1);
    for (int i = 0; i < n; i++) {
        end[group[i]] = max(end[group[i]], i);
    }
    int min_group = 0;
    for (int i = 0; i < n; i++) {
        if (min_group == -1) {
            ans += 2;
            min_group = i;
        } else {
            end[min_group] = max(end[min_group], end[group[i]]);
            group[i] = min_group;
        }
        if (i == end[min_group]) {
            min_group = -1;
        }
    }
    for (int i = 0; i < s && p[i] == i; i++) {
        ans -= 2;
    }
    for (int i = n - 1; i > s && p[i] == i; i--) {
        ans -= 2;
    }
	return ans;
}

Subtask #1
12.0 / 12.0

#	결과	메모리	Grader output
1	Correct	2020 KB	Output is correct
2	Correct	2020 KB	Output is correct
3	Correct	2020 KB	Output is correct
4	Correct	2020 KB	Output is correct
5	Correct	2020 KB	Output is correct
6	Correct	2020 KB	Output is correct
7	Correct	2020 KB	Output is correct
8	Correct	2020 KB	Output is correct
9	Correct	2020 KB	Output is correct
10	Correct	2020 KB	Output is correct
11	Correct	2020 KB	Output is correct
12	Correct	2020 KB	Output is correct
13	Correct	2020 KB	Output is correct
14	Correct	2020 KB	Output is correct
15	Correct	2020 KB	Output is correct
16	Correct	2020 KB	Output is correct
17	Correct	2020 KB	Output is correct
18	Correct	2020 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2020 KB	Output is correct
2	Correct	0 ms	2020 KB	Output is correct
3	Correct	0 ms	2020 KB	Output is correct
4	Correct	0 ms	2020 KB	Output is correct
5	Correct	0 ms	2020 KB	Output is correct
6	Correct	0 ms	2020 KB	Output is correct
7	Correct	0 ms	2020 KB	Output is correct
8	Correct	0 ms	2020 KB	Output is correct
9	Correct	0 ms	2020 KB	Output is correct
10	Correct	0 ms	2020 KB	Output is correct
11	Correct	0 ms	2020 KB	Output is correct
12	Correct	0 ms	2020 KB	Output is correct
13	Correct	0 ms	2020 KB	Output is correct
14	Correct	0 ms	2020 KB	Output is correct
15	Correct	0 ms	2020 KB	Output is correct
16	Correct	0 ms	2020 KB	Output is correct
17	Correct	0 ms	2020 KB	Output is correct
18	Correct	0 ms	2020 KB	Output is correct
19	Correct	0 ms	2020 KB	Output is correct
20	Correct	0 ms	2020 KB	Output is correct
21	Correct	0 ms	2020 KB	Output is correct
22	Correct	1 ms	2020 KB	Output is correct
23	Correct	1 ms	2020 KB	Output is correct
24	Correct	1 ms	2020 KB	Output is correct
25	Correct	0 ms	2020 KB	Output is correct
26	Correct	0 ms	2020 KB	Output is correct
27	Correct	0 ms	2020 KB	Output is correct
28	Correct	1 ms	2020 KB	Output is correct
29	Correct	1 ms	2020 KB	Output is correct

Subtask #3
0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2020 KB	Output is correct
2	Correct	0 ms	2020 KB	Output is correct
3	Correct	0 ms	2020 KB	Output is correct
4	Correct	0 ms	2020 KB	Output is correct
5	Correct	0 ms	2020 KB	Output is correct
6	Correct	0 ms	2020 KB	Output is correct
7	Correct	0 ms	2020 KB	Output is correct
8	Correct	0 ms	2020 KB	Output is correct
9	Correct	0 ms	2020 KB	Output is correct
10	Correct	0 ms	2020 KB	Output is correct
11	Correct	0 ms	2020 KB	Output is correct
12	Correct	0 ms	2020 KB	Output is correct
13	Correct	0 ms	2020 KB	Output is correct
14	Correct	0 ms	2020 KB	Output is correct
15	Correct	0 ms	2020 KB	Output is correct
16	Correct	0 ms	2020 KB	Output is correct
17	Correct	0 ms	2020 KB	Output is correct
18	Correct	0 ms	2020 KB	Output is correct
19	Correct	0 ms	2020 KB	Output is correct
20	Correct	0 ms	2020 KB	Output is correct
21	Correct	0 ms	2020 KB	Output is correct
22	Correct	1 ms	2020 KB	Output is correct
23	Correct	1 ms	2020 KB	Output is correct
24	Correct	1 ms	2020 KB	Output is correct
25	Correct	0 ms	2020 KB	Output is correct
26	Correct	0 ms	2020 KB	Output is correct
27	Correct	0 ms	2020 KB	Output is correct
28	Correct	1 ms	2020 KB	Output is correct
29	Correct	1 ms	2020 KB	Output is correct
30	Incorrect	223 ms	17652 KB	3rd lines differ - on the 1st token, expected: '333035179244', found: '-1972269844'
31	Halted	0 ms	0 KB	-

Subtask #4
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	0 ms	2020 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2020 KB	Output is correct
2	Correct	0 ms	2020 KB	Output is correct
3	Correct	0 ms	2020 KB	Output is correct
4	Correct	0 ms	2020 KB	Output is correct
5	Correct	0 ms	2020 KB	Output is correct
6	Correct	0 ms	2020 KB	Output is correct
7	Correct	0 ms	2020 KB	Output is correct
8	Correct	0 ms	2020 KB	Output is correct
9	Correct	0 ms	2020 KB	Output is correct
10	Correct	0 ms	2020 KB	Output is correct
11	Correct	0 ms	2020 KB	Output is correct
12	Correct	0 ms	2020 KB	Output is correct
13	Correct	0 ms	2020 KB	Output is correct
14	Correct	0 ms	2020 KB	Output is correct
15	Correct	0 ms	2020 KB	Output is correct
16	Correct	0 ms	2020 KB	Output is correct
17	Correct	0 ms	2020 KB	Output is correct
18	Correct	0 ms	2020 KB	Output is correct
19	Correct	0 ms	2020 KB	Output is correct
20	Correct	0 ms	2020 KB	Output is correct
21	Correct	0 ms	2020 KB	Output is correct
22	Correct	1 ms	2020 KB	Output is correct
23	Correct	1 ms	2020 KB	Output is correct
24	Correct	1 ms	2020 KB	Output is correct
25	Correct	0 ms	2020 KB	Output is correct
26	Correct	0 ms	2020 KB	Output is correct
27	Correct	0 ms	2020 KB	Output is correct
28	Correct	1 ms	2020 KB	Output is correct
29	Correct	1 ms	2020 KB	Output is correct
30	Incorrect	223 ms	17652 KB	3rd lines differ - on the 1st token, expected: '333035179244', found: '-1972269844'
31	Halted	0 ms	0 KB	-

답안 #40282

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 10.0 / 10.0

Subtask #3 0 / 28.0

Subtask #4 0 / 20.0

Subtask #5 0 / 30.0

Subtask #1
12.0 / 12.0

Subtask #2
10.0 / 10.0

Subtask #3
0 / 28.0

Subtask #4
0 / 20.0

Subtask #5
0 / 30.0